A great deal of water （ ） for industry.
（A）is needed
（B）has needed
（C）are needed
（D）need
Neither Jim nor his cousins （ ） to America, but （ ） of them know the country very well.
（A）have been; all
（B）have been; both
（C）has been; all
（D）has been; both
Four - fifths of the crop （ ）.
（A）are ruined
（B）was ruined
（C）were ruined
（D）have been ruined
